20697890 (number)

20697890 is an even 8-digits composite number following 20697889 and preceding 20697891. In scientific notation, it is written as 2.0697890 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 8263680 positive integers (up to 20697890) that are relatively prime to 20697890.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-seven thousand eight hundred ninety

Notation

Scientific notation 2.0697890 × 10^7
Engineering notation 2.0697890 × 10^6

Prime Factorization of 20697890

Prime Factorization 2 × 5 × 641 × 3229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20697890
Product of the distinct prime numbers

The prime factorization of 20697890 is 2 × 5 × 641 × 3229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20697890)

Multiplication

n×y
n×2 41395780
n×3 62093670
n×4 82791560
n×5 103489450

Division

n÷y
n÷2 10348945
n÷3 6899296.6666667
n÷3 5174472.5
n÷5 4139578

Exponentiation

ny
n2 428402650452100
n3 8.867030934766E+21
n4 1.8352883091438E+29
n5 3.7986595540945E+36

Nth Root

y√n
2√n 4549.4933783884
3√n 274.56300844126
4√n 67.449932382386
5√n 29.052614060911

Divisors of 20697890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20697889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20697890 can be divided by 16 positive divisors. The sum of these divisors (counting 20697890) is 1, the average is 0.0625.

Base conversion 20697890

Base System Value
2 Binary 1001110111101001100100010
3 Ternary 1102221120011112
4 Quaternary 1032331030202
5 Quinary 20244313030
6 Senary 2015343322
8 Octal 116751442
10 Decimal 20697890
12 Duodecimal 6b21b42
16 Hexadecimal 13bd322
20 Vigesimal 6974ea
36 Base36 cbmle

Cryptographic Hash Functions

md5 ae275a79d98bfe9014928c190329f3d6
sha1 6287fec0d559efd5c57952ae88a452ee0da6cfea
sha256 43e8737dabcbfdc9ae45b1eb1b5f4804c51d5e9708ffd51b372d83434b2e4672
sha512 ef582353672944517438dd2aad80b882731b136d167d1d9512a3876794bf5602e0abfe03bdc6d1a09aa840598758dd6ae7f6459e6749a4990ed5da91aab4e28a
ripemd-160 d5c2aa54e63e16ab64c442557f5310973d45d51b

20697890 as geometric shapes

Circle

Radius = n
Diameter 41395780
Circumference 130048678.33762
Area 1.3458666194387E+15

Sphere

Radius = n
Volume 3.7142132325086E+22
Surface area 5.3834664777549E+15
Circumference 130048678.33762

Square

Length = n
Perimeter 82791560
Area 428402650452100
Diagonal 29271236.750506

Cube

Length = n
Surface area 2570415902712600
Volume 8.867030934766E+21
Space diagonal 35849797.089472

Equilateral Triangle

Length = n
Perimeter 62093670
Area 1.8550378917005E+14
Altitude 17924898.544736

Triangular Pyramid

Length = n
Surface area 1.8550378917005E+14
Volume 1.0449896171607E+21
Height 9757078.9168355